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<dt class='head--doc'>See also</dt> <dd class='body--doc'><p><code>drop_membership()</code></p> </dd></dl> <hr /> <dl class='group--doc'> <dt class='head--type'><span class='homogen--type'>Method</span> <span class='homogen--name'><b>bind</b></span> </dt>
-
<dd><p><code><code class='object unresolved'>UDP</code> <b><span class='method'>bind</span>(</b><code class='datatype'>int</code>|<code class='datatype'>string</code> <code class='argument'>port</code><
b>)</b></
code
><br>
-
<code><code
class='
object unresolved
'>
UDP
</code>
<
b><span class='method'>bind</span>(</b><
code class='datatype'>
int
</code>
|
<code class='
datatype
'>
string
</code> <code class='
argument
'>
port
</code>
,
<code class='datatype'>
string
</code> <code class='argument'>
address
</code><b>)</b></code></p></dd>
+
<dd><p><code><code class='object unresolved'>UDP</code> <b><span class='method'>bind</span>(</b><code class='datatype'>int</code>|<code class='datatype'>string</code> <code class='argument'>port</code>
,
<code class='
datatype
'>
string
</code>
|
<code class='datatype'>
void
</code>
<code class='
argument
'>
address
</code>
,
<code class='
datatype
'>
string
</code>
|
<code class='datatype'>
bool
</code> <code class='argument'>
no_reuseaddr
</code><b>)</b></code></p></dd>
<dt class='head--doc'>Description</dt> <dd class='body--doc'><p>Binds a port for receiving or transmitting UDP.</p> </dd>
-
+
<dt class='head--doc'><span id='p-no_reuseaddr'></span>Parameter <code class='parameter'>no_reuseaddr</code></dt>
+
<dd></dd><dd class='body--doc'><p>If set to <code class='expr'>1</code>, Pike will not set the <code class='expr'>SO_REUSEADDR</code> option
+
on the UDP port.</p>
+
</dd>
+
<dt class='head--doc'>Note</dt>
+
<dd class='body--doc'><p><code class='expr'>SO_REUSEADDR</code> is never applied when binding a random port
+
(<code class='expr'>bind(0)</code>).</p>
+
<p> In general, <code class='expr'>SO_REUSEADDR</code> is not desirable on UDP ports.
+
Unless used for receiving multicast, be sure to never bind a
+
non-random port without setting <code class='expr'>no_reuseaddr</code> to <code class='expr'>1</code>.</p>
+
</dd>
<dt class='head--doc'>Throws</dt> <dd class='body--doc'><p>Throws error when unable to bind port.</p> </dd></dl> <hr /> <dl class='group--doc'> <dt class='head--type'><span class='homogen--type'>Method</span> <span class='homogen--name'><b>close</b></span> </dt>